Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Day in brief
Detect, block, and investigate threats to AI agents using Microsoft Defender leads 75 Defender updates
13 April 2026 recorded 1 new, 73 updated, 1 removed Microsoft Defender documentation changes. The most active areas were Defender XDR, Endpoint, Office 365.
- Detect, block, and investigate threats to AI agents using Microsoft Defender
Defender XDR · GeneralUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
- Security recommendation (misconfiguration) support in Microsoft Defender Vulnerability Management
Vulnerability Management · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
- Security Operations Guide for Teams protection
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/mdo-support-teams-sec-ops-guide.md.
- Attack Surface Reduction Rules Enable
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-enable.md.
- Network Name Resolution (NNR) in Microsoft Defender for Identity
Identity · Identity protectionUpdated Microsoft Defender documentation in defender-for-identity/nnr-policy.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
75 updates
Microsoft Defender XDR
41 updatesUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Configure delegated access with governance relationships for multitenant organizations (preview)
UpdatedUpdated Microsoft Defender documentation in defender-xdr/multitenant-governance.md.
Updated Microsoft Defender documentation in defender-xdr/multitenant-governance.md.
Added Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Multitenant Governance
RemovedRemoved Microsoft Defender documentation in defender-xdr/multitenant-governance.md.
Updated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Updated Microsoft Defender documentation in defender-xdr/exclude-analytics-rules-correlation.md.
Updated Microsoft Defender documentation in defender-xdr/exclude-analytics-rules-correlation.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-microsoft-defender.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-schema-tables.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-graph.md.
Alert Policies
UpdatedUpdated Microsoft Defender documentation in defender-xdr/alert-policies.md.
Updated Microsoft Defender documentation in defender-xdr/alert-policies.md.
Microsoft Defender for Endpoint
13 updates
Linux Off Board Endpoints
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/linux-off-board-endpoints.md.
Linux Off Board Endpoints
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/linux-off-board-endpoints.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Linux Off Board Endpoints
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/linux-off-board-endpoints.md.
Linux Off Board Endpoints
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/linux-off-board-endpoints.md.
Updated Microsoft Defender documentation in defender-endpoint/linux-off-board-endpoints.md.
Updated Microsoft Defender documentation in defender-endpoint/streamlined-device-connectivity-urls-commercial.md.
Adv Tech Of Mdav
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/adv-tech-of-mdav.md.
Elam On Mdav
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/elam-on-mdav.md.
Updated Microsoft Defender documentation in defender-endpoint/hardware-acceleration-and-mdav.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-enable.md.
Attack Surface Reduction
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/overview-attack-surface-reduction.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-overview.md.
Microsoft Defender for Office 365
7 updatesUpdated Microsoft Defender documentation in defender-office-365/mdo-support-teams-sec-ops-guide.md.
Updated Microsoft Defender documentation in defender-office-365/anti-phishing-protection-tuning.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-support-teams-sec-ops-guide.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-privacy.md.
Submissions Teams
UpdatedUpdated Microsoft Defender documentation in defender-office-365/submissions-teams.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-email-entity-page.md.
Updated Microsoft Defender documentation in defender-office-365/submissions-teams.md.
Microsoft Defender for Identity
6 updatesUpdated Microsoft Defender documentation in defender-for-identity/investigate-domain.md.
Updated Microsoft Defender documentation in defender-for-identity/nnr-policy.md.
Password Protection
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/password-protection.md.
Investigate Domain
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/investigate-domain.md.
Nnr Policy
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/nnr-policy.md.
Updated Microsoft Defender documentation in defender-for-identity/password-protection.md.
Microsoft Defender for Cloud Apps
2 updates
Tutorial Suspicious Activity
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/tutorial-suspicious-activity.md.
Tutorial Suspicious Activity
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/tutorial-suspicious-activity.md.
Security recommendation (misconfiguration) support in Microsoft Defender Vulnerability Management
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
Security recommendations (misconfiguration) support in Microsoft Defender Vulnerability Management
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
Fixed Reported Inaccuracies
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
Fixed Reported Inaccuracies
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
Gov Support
UpdatedUpdated Microsoft Defender documentation in unified-secops-platform/gov-support.md.